Diphasiastrum sitchense (Rupr.) Holub
Alaska club-moss
Lycopodiaceae (Club-moss family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #4244)


Map

E-Flora BC Static Map

Distribution of Diphasiastrum sitchense
Click here to view the full interactive map and legend

Species Information

General:
Evergreen perennial from horizontal stems about 3 mm wide, creeping on the surface or shallowly buried in the soil; upright shoots branched, 5-15 cm tall, bright green and shiny; branches 4-5 ranked, not flattened.
Leaves:
All alike, 3-5 mm long, lanceolate, pointed, stiff, unstalked.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Diphasiastrum sitchense

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
1467 30 2280
Slope Gradient (%)
26 0 85

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

199 0 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 7
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
120
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

AT(1), CMA(9), CWH(16), ESSF(39), IMA(6), MH(38), SBS(2)

Habitat and Range

Mesic to moist heath communities, open forests, and tundra in the subalpine and alpine zones; common in BC in and W of the Coast-Cascade Mountains S of 55degreeN, rare northward; amphiberingian, N to AK and YT, E to NF and S to ME, NH, MT, ID and OR; E Asia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Lycopodium sitchense Rupr.
Lycopodium sitchense var. sitchense